code: def model(self):
      return self._model
  
imports: import abc
  import inspect
  import os
  import pydoc
  import subprocess
  import sys
  from typing import Any, Callable, Optional
  import fastapi
  import uvicorn
  from fastapi import FastAPI
  from fastapi.responses import JSONResponse
  from lightning.app.components.serve.types import _DESERIALIZER, _SERIALIZER
  from lightning.app.core.work import LightningWork
  from lightning.app.utilities.app_helpers import Logger
label_desc: Use image node_id 2 for calling the ModelInferenceAPI obj's underlying member method code with example usage: obj.model() and returns: self